Helium filled hard drives are currently being developed by HGST offering up to 10TB of capacity. In fact it was Hitachi who were really responsible for the hard drive over 50 years ago! So what is the next development for hard disk drives? Hitachi perform their research in many overseas laboratories, as well as their corporate laboratories in Japan. Hence their hard drives are more reliable by far. Why is Hitachi so reliable though? Quite simply, Hitachi spend the most on research and development. However the manufacturer that has come out on top is Hitachi with a failure rate of just 1.4% for the latest models.
Newer 4TB models were much more reliable with a failure rate of only 3%. Over the last five years Seagate and Hitachi have offered the best price per gigabyte, but which comes out on top for reliability? Well some of the Seagate hard drives namely the 3TB models had a 40% failure rate throughout 2014.
As you can imagine, they support hundreds of thousands of hard drives in RAID configurations and it is expensive for them when hard drives fail. Backblaze is an online backup enabling users to back up their data to an offsite data centre. To establish which are the best drives let’s look at Backblaze’s statistics. Even two drives with identical model numbers, could have been manufactured at opposite sides of the World using very different quality components. Others manufacture their hard drives using the cheapest parts and labour available.
Some manufacturers spend a lot of time and effort on research and development, making sure they source the best quality parts. When buying a hard drive, bear in mind that they are not all of the same quality.
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